Numbers k such that k and k^2 use only the digits 1, 3, 4 and 8.
A137030
Numbers k such that k and k^2 use only the digits 1, 3, 4 and 8.
Terms
- a(0) =1a(1) =38a(2) =1188a(3) =338841141
External references
- oeis: A137030
A137030
Numbers k such that k and k^2 use only the digits 1, 3, 4 and 8.